Experimental and numerical study of a bird strike against a windshield

Plassard, Fabien; Héreil, Pierre‐Louis; Joseph, Pierric; Mespoulet, Jérôme

doi:10.1051/epjconf/20159401051

Cited by 11 publications

(12 citation statements)

References 1 publication

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“…Three-dimensional loadings are perhaps best used as severe tests of constitutive models developed using much simpler test geometries. In addition bird-strike can be a severe problem for the engines or the pilot cabin wind-shield and is studied by a combination of synthetic and real, albeit dead, birds [163][164][165][166][167][168][169][170][171]. Hypervelocity impact damage to composites is of interest due to their increasing use in spacecraft, satellite bumper shields, and terrestrial armour applications [172][173][174].…”

Section: Ballistic Blast and Shock Loadingmentioning

confidence: 99%

Measuring the Effect of Strain Rate on Deformation and Damage in Fibre-Reinforced Composites: A Review

Perry

Walley

2022

J. dynamic behavior mater.

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This review aims to assess publications relevant to understanding the rate-dependent dynamic behaviour of glass- and carbon-fibre reinforced polymer composites (FRPs). FRPs are complex structures composed of fibres embedded in a polymer matrix, making them highly anisotropic. Their properties depend on their constituent materials as well as micro-, meso- and macro-scale structure. Deformation proceeds via a variety of damage mechanisms which degrade them, and failure can occur by one or more different processes. The damage and failure mechanisms may exhibit complex and unpredictable rate-dependence, with certain phenomena only observable under specific loading conditions or geometries. This review focusses on experimental methods for measuring the rate-dependent deformation of fibre composites: it considers high-stain-rate testing of both specimens of ‘simple’ geometry as well as more complex loadings such as joints, ballistic impact and underwater blast. The effects of strain rate on damage and energy-based processes are also considered, and several scenarios identified where strength and toughness may substantially decrease with an increase in strain rate.

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Section: Ballistic Blast and Shock Loadingmentioning

confidence: 99%

Measuring the Effect of Strain Rate on Deformation and Damage in Fibre-Reinforced Composites: A Review

Perry

Walley

2022

J. dynamic behavior mater.

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“…Bird-strike experiments and numerical simulations are of particular interest especially for aerospace engineering applications, where aircraft components must be specifically designed to resist accidental, high-speed soft-body impacts from birds. Experimental studies against different structural components can be found, for example, in [27,28].…”

Section: Bird-strike Effects and Damage Analysismentioning

confidence: 99%

Vulnerability and Structural Capacity Assessment of Historic Glass Facades under Bird-Strike

Bedon

Santi

2022

Mathematical Problems in Engineering

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Bird-strike analysis is of particular relevance for aircraft engineering applications, where major wing or fuselage components may suffer for possible collision during flying stage and result in serious structural damage. To this aim, the Federal Aviation Regulations requires dedicated bird-strike resistance assessment tests and certifications. In building applications, glass is also largely used for vertical and horizontal load-bearing components. In such a kind of structural design context, major attention is given to wind pressure, seismic loads, impact due to crowd and human body (i.e., to prevent falling out), or even explosions, and rather null consideration is posed for bird-strike analysis, due to their expected limited impact forces and effects on glass. This paper investigates such a topic giving evidence of the dynamic response of an existing glass facade built in 60 s as a part of a museum in Italy. The vulnerability analysis is carried out with computationally efficient Finite Element (FE) numerical models of consolidated use for bird-strike, based also on preliminary mechanical characterization from in-field geometrical inspection and Operational Modal Analysis (OMA) experiments. Local and global dynamic effects due to localized bird-strike on the examined glass facade are discussed based on parametric numerical analysis from Coupled Eulerian Lagrangian (CEL) method.

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“…However, high costs involved in experiments and complex setups with lengthy preparation time often challenge the development of aircraft structural parts. Moreover, impacted structures during experiments become severely damaged and further reuse is not practicable (Plassard et al, 2015;Heimbs et al, 2018;Orlando et al, 2017).Therefore, commercial computer simulation codes (Abaqus, Ansys, LS-Dyna, MSC Dytran, etc.) are regularly used as alternatives of bird-strike experiments for early-stage research and development of various structural parts, materials, joints, etc.…”

Section: Computational Bird Modelingmentioning

confidence: 99%

Ballistic gelatin Lagrange Mooney-Rivlin material model as a substitute of bird in finite element bird strike case studies

Aslam

Rayhan

et al. 2020

Lat. Am. j. solids struct.

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Numerical simulation plays a crucial role in today's aviation industry. Modern computers with the latest commercial FE codes have fueled the triumph of establishing simulation as a prerequisite of aerostructure part design from micro modeling of materials to large-scale structural analysis. In this current research paper, a Mooney-Rivlin material model of ballistic gelatin with Lagrange code is analyzed as a potential candidate for the computational bird model to simulate bird strike case studies. To investigate the practicability, the model is compared with other established Lagrange and SPH EOS models for both rigid and deformable body impacts along with experimental data found in the literature adopting explicit solver Ansys Autodyn. Despite some discrepancies found during rigid body impacts, deformable plate impacts confirm the robustness of the model with significantly faster computation time. Besides, the biggest criticism of the Lagrange model, mesh distortion problem as fluid during bird strike case studies is efficiently tackled by adopting the node erosion algorithm as an effective technique to solve Lagrange bird models without affecting the outcome of the solutions.

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Experimental and numerical study of a bird strike against a windshield

Cited by 11 publications

References 1 publication

Measuring the Effect of Strain Rate on Deformation and Damage in Fibre-Reinforced Composites: A Review

Measuring the Effect of Strain Rate on Deformation and Damage in Fibre-Reinforced Composites: A Review

Vulnerability and Structural Capacity Assessment of Historic Glass Facades under Bird-Strike

Ballistic gelatin Lagrange Mooney-Rivlin material model as a substitute of bird in finite element bird strike case studies

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